Level shifter

Details Level shifter Level shifter

2007-05-30

2008-12-16

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C326S068000, C326S081000

Reexamination Certificate

active

07466184

ABSTRACT:
A device for shifting the level of a first signal of relatively low amplitude which is a function of a first supply voltage to a second signal of relatively high amplitude which is a function of a second supply voltage, comprising, between a first terminal of application of the second supply voltage and a first input terminal, a branch of two transistors of opposite types in series, having their junction point defining an output terminal, the respective control terminals of the transistors being connected to terminals of application of relatively high and low bias voltages by first resistive elements, a second input terminal, receiving the inverse of the signal applied on the first terminal, being connected to each of the control terminals of the transistors by first capacitive elements and the first input terminal being connected to each of the terminals of application of the bias voltages by second capacitive elements in series with second resistive elements.

REFERENCES:
patent: 6163170 (2000-12-01), Takinomi
patent: 2003/0169225 (2003-09-01), Tobita
patent: 2004/0263220 (2004-12-01), Sabut et al.
patent: 2008/0122516 (2008-05-01), Park et al.
patent: 2008/0175074 (2008-07-01), Parris et al.
patent: 04269011 (1992-09-01), None
patent: 05284005 (1993-10-01), None
patent: 2006/033638 (2006-03-01), None

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